Phase III clinical trial systematic sampling, double-blind, randomized, crossed that evaluates the comparative efficacy of a formulation containing enzyme pancreas in 16 patients with pancreatic insufficiency exogenous of any cause. The study will be conducted with the inclusion of 16 adult patients, both sexes, regardless of color or social class, aged 14 to 65 years, clinically diagnosed as having pancreatic insufficiency exocrine any etiology (cystic fibrosis, cancer, pancreatectomy, Surgery by trauma). The Research Subjects will be recruited with the help of medical coinvestigador specialist Dr. Francisco Callejas Neto, who will offer their clinic patients to participate in the study. If there is interest from same, all are invited to attend the Clinic for total LAL clarification about the study of drug action, benefits, possible risks, compensation, study period, and finally understanding reading and signing together with the investigator of the Term of Consent.